Kenwood TS-990S Service Manual
Also see for SP-990: Instruction manual
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TS-990S161ADJUSTMENT■ Rear panelService Jig1. ACC 2 connector short plugUse the same adjustment jig as the TS-570.■ How to use the ACC 2 connector short plugInsert the adjustment jig into the ACC 2 connector locat-ed on the rear panel of the transceiver.2. Adjustment rod (W05-1770-00/ HOZAN: D-272)Use the adjustment rod when adjusting the 14.1MHz Nullpoint.■ Adjustment method using the adjustment rod1) Insert the adjustment rod into the hole of the antennaconnector unit (X45-388 B/2) as shown in the fi gure.2) Perform the adjustment after inserting the tip of the ad-justment rod in TC1 of the antenna switch unit (X53-441A/2) which is mounted in the lower part of the antennaconnector unit.Adjustment rodAntenna connector unit(X45-388 B/2)Antenna switch unit(X53-441 A/2)3. Jig cable (W05-1772-00)Use the jig cable when adjusting the fi nal idling current.121434■ The modification method when using the leadwire with connector (E37-1611-05)1) Cut the center part of the red lead wires (pins 1 and 2) ofthe cable (E37-1611-05).2) Bundle and solder the tips of each lead wire (parts C and D)as shown in the fi gure.341212L=180±5mm1434C D |
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